Before You File a Bug Report Please Confirm You Have Done The Following...

• I have tried restarting my IDE and the issue persists.
• I have updated to the latest version of the packages.
• I have searched for related issues and found none that matched my issue.
• I have read the FAQ and my problem is not listed.

Playground Link

https://typescript-eslint.io/play/#ts=5.4.2&fileType=.tsx&code=C4TwDgpgBAYg9nKBeKAFATnAtgSwM4QA8AdgK5YBGE6AfFAGRQDeUAFhCAPwBcUew6HMQDmUAL4BuALAAoADYRgUCgEMAXmuRQVeEMQDGUABQBKZHQBM0mao2nteWAglA&eslintrc=N4KABGBEBOCuA2BTAzpAXGUEKQAIBcBPABxQGNoBLY-AWhXkoDt8B6Jge1oDN4OBDfMwDmtYtA4BbSshTooiaBOiRwYAL4h1QA&tsconfig=N4KABGBEDGD2C2AHAlgGwKYCcDyiAuysAdgM6QBcYoEEkJemy0eAcgK6qoDCAFutAGsylBm3TgwAXxCSgA&tokens=false

Repro Code

type Foo = Promise<number> & { hey?: string };
let bazz = async () => 2;
bazz() as Foo;

ESLint Config

module.exports = {
  parser: "@typescript-eslint/parser",
  rules: {
    "@typescript-eslint/no-floating-promises": ["error"],
  },
};

tsconfig

{
  "compilerOptions": {
    "strictNullChecks": true
  }
}

Expected Result

I expected that the 3rd line should report the absence of handling the rejection of the promise.

Actual Result

There was no error on 3rd line

Additional Info

No response